Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Reexamination Certificate
2011-06-28
2011-06-28
Bernshteyn, Michael M (Department: 1762)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
C428S041300, C524S522000, C524S457000, C524S458000, C524S461000, C524S091000, C526S089000, C526S173000, C526S201000, C526S217000
Reexamination Certificate
active
07968189
ABSTRACT:
Provided is a re-peeling pressure-sensitive adhesive composition for a surface protecting material for an adherend having a photocatalytic layer, comprising: a (meth)acryl-based polymer including, as monomer units, 50 to 99.9% by weight of (A) at least one acrylate-based monomer represented by the general formula (1): CH2═CR1COOR2wherein R1represents a hydrogen atom or a methyl group, and R2represents an alkyl group having 2 to 14 carbon atoms, 0.1 to 10% by weight of (B) a functional-group-containing vinyl-based monomer, and 0 to 49.9% by weight of (C) a vinyl-based monomer copolymerizable with the component (A) and/or the component (B); and (D) a surfactant having a molecular weight of 150 to 5000, the amount of the component (D) being from 0.01 to 30 parts by weight with respect to 100 parts by weight of the (meth)acryl-based polymer. The re-peeling pressure-sensitive adhesive composition is excellent in re-peeling property, contact-angle-recoverability, and weather resistance.
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Ooyama Kooki
Yamanaka Takeshi
Bernshteyn Michael M
Knobbe Martens Olson & Bear LLP
Nitto Denko Corporation
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